ItItFrFrDeDe
Schweizerische Gemmologische Gesellschaft
  • Gemmology
    • Knowledge
    • Diamonds
    • Terminology
    • The 4 C's
    • Precious stones
    • Colours
    • Pearls
    • Cultured pearls
    • Treatments
  • About us
    • History
    • Commitee
    • Objective
    • Become a member
  • Current
  • Links
Inclusions of anatase crystal and rutile fibres in rock crystal from Brazil
Two-Phase inclusions and rutile needles in rock crystal from Brazil
Epigenetic inclusion (probanly melanterite) in quartz, Brazil, parallel polarisers
«Red fox agate» from Patagonia, Argentina
Inclusions of hematite in feldspar (sunstone), India
Structure in a healing fissure in topaz from Brazil
Partially etched diamond crystal
Agate from Reichweiler, Germany

Thank you for your message

We will get back to you as soon as possible.


 
 
  • Become a member
  • Contact
  • Internal
  • Print page

Sitemap
Imprint
Data protection
Conditions of use

© SGG/SSG 2023

 

Our sponsors for 2023:

 
 
 
 
System Eickhorst
 
 
FAERBER
 
 
FERRARI
 
 
System Eickhorst
 
 
GRS
 
 
GÜBELIN
 
 
SSEF
 
 
Wild & Petsch
 
 
 
 
Christian Dunaigre
 
 
 
  • Become a member
  • Contact
  • Internal
  • Print page